![Math Ed Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/062/351/small/math-ed-podcast.jpg)
Summary: Chandra Orrill from UMass-Dartmouth and the Kaput Center discusses the article, "Making sense of double number lines in professional development: Exploring teachers' understandings of proportional relationships," from the Journal of Mathematics Teacher Education. (Co-author: Rachael Brown) link to article Chandra's Professional Website InterMath Project Website See the comments for references mentioned in the interview.